Base | Representation |
---|---|
bin | 1100101110111110110001… |
… | …01101000110000010101001 |
3 | 10200011000102021210100010221 |
4 | 12113133120231012002221 |
5 | 12132243134020040010 |
6 | 135320103351210041 |
7 | 5620054510324123 |
oct | 627373055060251 |
9 | 120130367710127 |
10 | 28002527502505 |
11 | 8a16894829316 |
12 | 31830b1976921 |
13 | 128181c7165ba |
14 | 6cb48846a213 |
15 | 338623b5adda |
hex | 1977d8b460a9 |
28002527502505 has 8 divisors (see below), whose sum is σ = 33603318071424. Its totient is φ = 22401831956400.
The previous prime is 28002527502427. The next prime is 28002527502517. The reversal of 28002527502505 is 50520572520082.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 28002527502505 - 235 = 27968167764137 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23105761 + ... + 24287470.
It is an arithmetic number, because the mean of its divisors is an integer number (4200414758928).
Almost surely, 228002527502505 is an apocalyptic number.
It is an amenable number.
28002527502505 is a deficient number, since it is larger than the sum of its proper divisors (5600790568919).
28002527502505 is a wasteful number, since it uses less digits than its factorization.
28002527502505 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47511407.
The product of its (nonzero) digits is 560000, while the sum is 43.
The spelling of 28002527502505 in words is "twenty-eight trillion, two billion, five hundred twenty-seven million, five hundred two thousand, five hundred five".
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